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-rwxr-xr-xengine/math/random.asm13
1 files changed, 13 insertions, 0 deletions
diff --git a/engine/math/random.asm b/engine/math/random.asm
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+++ b/engine/math/random.asm
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+Random_::
+; Generate a random 16-bit value.
+ ld a, [rDIV]
+ ld b, a
+ ld a, [hRandomAdd]
+ adc b
+ ld [hRandomAdd], a
+ ld a, [rDIV]
+ ld b, a
+ ld a, [hRandomSub]
+ sbc b
+ ld [hRandomSub], a
+ ret